<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import { ElMessage } from 'element-plus'
//控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false)
//定义数据模型
const registerData = ref({
  username: '',
  phone:'',
  email:'',
  name:'',
  password: '',
  rePassword: ''
})

//校验密码的函数
const checkRePassword = (rule, value, callback) => {
  if (value === '') {
    callback(new Error('请再次确认密码'))
  } else if (value !== registerData.value.password) {
    callback(new Error('请确保两次输入的密码一样'))
  } else {
    callback()
  }
}

//定义表单校验规则
const rules = {
  username: [
    {required: true, message: '请输入用户名', trigger: 'blur'},
    {min: 5, max: 16, message: '长度为5~16位非空字符', trigger: 'blur'}
  ],
  phone: [
    {required: true, message: '请输入手机号', trigger: 'blur'}
  ],
  email: [
    {required: true, message: '请输入邮箱', trigger: 'blur'}
  ],
  name: [
    {required: true, message: '请输入昵称', trigger: 'blur'}
  ],
  password: [
    {required: true, message: '请输入密码', trigger: 'blur'},
    {min: 5, max: 16, message: '长度为5~16位非空字符', trigger: 'blur'}
  ],
  rePassword: [
    {validator: checkRePassword, trigger: 'blur'}
  ]
}


//调用后台接口,完成注册
import { buyerRegisterService, buyerLoginService} from '@/api/buyer.js'
const register = async () => {
  //registerData是一个响应式对象,如果要获取值,需要.value
if (registerData.value.password=registerData.value.rePassword)
{
  let result = await buyerRegisterService(registerData.value);
  ElMessage.success(result.msg ? result.msg : '注册成功')
}
else alert("请输入相同密码!");
}

//绑定数据,复用注册表单的数据模型
//表单数据校验
//登录函数
import {useTokenStore} from '@/stores/token.js'
import {useRouter} from 'vue-router'
const router = useRouter()
const tokenStore = useTokenStore();
const login =async ()=>{
  //调用接口,完成登录
  let result =  await buyerLoginService(registerData.value);

  ElMessage.success(result.msg ? result.msg : '登录成功')
  //把得到的token存储到pinia中
  tokenStore.setToken(result.data)
  //跳转到首页 路由完成跳转
  router.push('/market')
}

//定义函数,清空数据模型的数据
const clearRegisterData = ()=>{
  registerData.value={
    username:'',
    phone:'',
    email:'',
    name:'',
    password:'',
    rePassword:''
  }
}

const navigateToBuyer = () => {
  router.push('/buyer') // 导航到买家登录页面
}

const navigateToSeller = () => {
  router.push('/') // 导航到卖家登录页面
}
</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <!-- 注册表单 -->
      <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
        <el-form-item>
          <h1> 买家注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
        </el-form-item>
        <el-form-item prop="phone">
          <el-input :prefix-icon="User" placeholder="请输入手机号" v-model="registerData.phone"></el-input>
        </el-form-item>
        <el-form-item prop="email">
          <el-input :prefix-icon="User" placeholder="请输入邮箱" v-model="registerData.email"></el-input>
        </el-form-item>
        <el-form-item prop="name">
          <el-input :prefix-icon="User" placeholder="请输入昵称" v-model="registerData.name"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码"
                    v-model="registerData.password"></el-input>
        </el-form-item>
        <el-form-item prop="rePassword">
          <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码"
                    v-model="registerData.rePassword"></el-input>
        </el-form-item>
        <!-- 注册按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="register">
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false;clearRegisterData()">
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>
      <!-- 登录表单 -->
      <el-form ref="form" size="large" autocomplete="off" v-else :model="registerData" :rules="rules">
        <el-form-item>
          <h1>买家登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
        </el-form-item>
        <el-form-item class="flex">
          <div class="flex">
            <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码？</el-link>
          </div>
        </el-form-item>
        <!-- 登录按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = true;clearRegisterData()">
            注册 →
          </el-link>
        </el-form-item>

        <div>
          <el-button @click="navigateToBuyer">买家登录</el-button>
          <el-button @click="navigateToSeller">卖家登录</el-button>
        </div>

      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url('@/assets/OIP2.png') no-repeat 60% center / 240px auto,
    url('@/assets/OIP.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>